Merge pull request #84 from DeterminateSystems/lucperkins/gtm-51-update-nix-src-readme-to-better-reflect-what-the-project-is

Rework README

Author: lucperkins

README.md

@@ -1,38 +1,92 @@
-# Nix
+<p align="center">
+  <a href="https://determinate.systems" target="_blank"><img src="https://raw.githubusercontent.com/determinatesystems/.github/main/.github/banner.jpg"></a>
+</p>
+<p align="center">
+  &nbsp;<a href="https://determinate.systems/discord" target="_blank"><img alt="Discord" src="https://img.shields.io/discord/1116012109709463613?style=for-the-badge&logo=discord&logoColor=%23ffffff&label=Discord&labelColor=%234253e8&color=%23e4e2e2"></a>&nbsp;
+  &nbsp;<a href="https://bsky.app/profile/determinate.systems" target="_blank"><img alt="Bluesky" src="https://img.shields.io/badge/Bluesky-0772D8?style=for-the-badge&logo=bluesky&logoColor=%23ffffff"></a>&nbsp;
+  &nbsp;<a href="https://hachyderm.io/@determinatesystems" target="_blank"><img alt="Mastodon" src="https://img.shields.io/badge/Mastodon-6468fa?style=for-the-badge&logo=mastodon&logoColor=%23ffffff"></a>&nbsp;
+  &nbsp;<a href="https://twitter.com/DeterminateSys" target="_blank"><img alt="Twitter" src="https://img.shields.io/badge/Twitter-303030?style=for-the-badge&logo=x&logoColor=%23ffffff"></a>&nbsp;
+  &nbsp;<a href="https://www.linkedin.com/company/determinate-systems" target="_blank"><img alt="LinkedIn" src="https://img.shields.io/badge/LinkedIn-1667be?style=for-the-badge&logo=linkedin&logoColor=%23ffffff"></a>&nbsp;
+</p>
 
-[![Open Collective supporters](https://opencollective.com/nixos/tiers/supporter/badge.svg?label=Supporters&color=brightgreen)](https://opencollective.com/nixos)
-[![CI](https://github.com/NixOS/nix/workflows/CI/badge.svg)](https://github.com/NixOS/nix/actions/workflows/ci.yml)
+# Determinate Nix
 
-Nix is a powerful package manager for Linux and other Unix systems that makes package
-management reliable and reproducible. Please refer to the [Nix manual](https://nix.dev/reference/nix-manual)
-for more details.
+[![CI](https://github.com/DeterminateSystems/nix-src/workflows/CI/badge.svg)](https://github.com/DeterminateSystems/nix-src/actions/workflows/ci.yml)
 
-## Installation and first steps
+This repository houses the source for [**Determinate Nix**][det-nix], a downstream distribution of [Nix][upstream] created and maintained by [Determinate Systems][detsys].
+Nix is a powerful [language], [package manager][package-management], and [CLI] for [macOS](#macos), [Linux](linux), and other Unix systems that enables you to create fully reproducible [development environments][envs], to build [packages] in sandboxed environments, to build entire Linux systems using [NixOS], and much more.
 
-Visit [nix.dev](https://nix.dev) for [installation instructions](https://nix.dev/tutorials/install-nix) and [beginner tutorials](https://nix.dev/tutorials/first-steps).
+Determinate Nix is part of the [Determinate platform][determinate], which also includes [FlakeHub], a secure flake repository with features like [FlakeHub Cache][cache], [private flakes][private-flakes], and [semantic versioning][semver] (SemVer) for [flakes].
 
-Full reference documentation can be found in the [Nix manual](https://nix.dev/reference/nix-manual).
+## Installing Determinate
 
-## Building and developing
+You can install Determinate on [macOS](#macos), non-NixOS [Linux](#linux) and WSL, and [NixOS](#nixos).
 
-Follow instructions in the Nix reference manual to [set up a development environment and build Nix from source](https://nix.dev/manual/nix/development/development/building.html).
+### macOS
 
-## Contributing
+On macOS, we recommend using the graphical installer from Determinate Systems.
+Click [here][gui] to download and run it.
+
+### Linux
+
+On Linux, including Windows Subsystem for Linux (WSL), we recommend installing Determinate Nix using [Determinate Nix Installer][installer]:
+
+```shell
+curl -fsSL https://install.determinate.systems/nix | sh -s -- install --determinate
+```
+
+### NixOS
+
+On [NixOS], we recommend following our [dedicated installation guide][nixos-install].
 
-Check the [contributing guide](./CONTRIBUTING.md) if you want to get involved with developing Nix.
+## Other resources
 
-## Additional resources
+Nix was created by [Eelco Dolstra][eelco] and developed as the subject of his 2006 PhD thesis, [The Purely Functional Software Deployment Model][thesis].
+Today, a worldwide developer community contributes to Nix and the ecosystem that has grown around it.
 
-Nix was created by Eelco Dolstra and developed as the subject of his PhD thesis [The Purely Functional Software Deployment Model](https://edolstra.github.io/pubs/phd-thesis.pdf), published 2006.
-Today, a world-wide developer community contributes to Nix and the ecosystem that has grown around it.
+- [Zero to Nix][z2n], Determinate Systems' guide to Nix and [flakes] for beginners
+- [Nixpkgs], a collection of well over 100,000 software packages that you can build and manage using Nix
+- [NixOS] is a Linux distribution that can be configured fully declaratively
+- The Nix, Nixpkgs, and NixOS community on [nixos.org][website]
 
-- [The Nix, Nixpkgs, NixOS Community on nixos.org](https://nixos.org/)
-- [Official documentation on nix.dev](https://nix.dev)
-- [Nixpkgs](https://github.com/NixOS/nixpkgs) is [the largest, most up-to-date free software repository in the world](https://repology.org/repositories/graphs)
-- [NixOS](https://github.com/NixOS/nixpkgs/tree/master/nixos) is a Linux distribution that can be configured fully declaratively
-- [Discourse](https://discourse.nixos.org/)
-- Matrix: [#users:nixos.org](https://matrix.to/#/#users:nixos.org) for user support and [#nix-dev:nixos.org](https://matrix.to/#/#nix-dev:nixos.org) for development
+## Reference
+
+The primary documentation for Determinate and Determinate Nix is available at [docs.determinate.systems][determinate].
+For deeply technical reference material, see the [Determinate Nix manual][manual] which is based on the upstream Nix manual.
 
 ## License
 
-Nix is released under the [LGPL v2.1](./COPYING).
+[Upstream Nix][upstream] is released under the [LGPL v2.1][license] license.
+[Determinate Nix][det-nix] is also released under LGPL v2.1 in accordance with the terms of the upstream license.
+
+## Contributing
+
+Check the [contributing guide][contributing] if you want to get involved with developing Nix.
+
+[cache]: https://docs.determinate.systems/flakehub/cache
+[cli]: https://manual.determinate.systems/command-ref/new-cli/nix.html
+[contributing]: ./CONTRIBUTING.md
+[det-nix]: https://docs.determinate.systems/determinate-nix
+[determinate]: https://docs.determinate.systems
+[detsys]: https://determinate.systems
+[dnixd]: https://docs.determinate.systems/determinate-nix#determinate-nixd
+[eelco]: https://determinate.systems/people/eelco-dolstra
+[envs]: https://zero-to-nix.com/concepts/dev-env
+[flakehub]: https://flakehub.com
+[flakes]: https://zero-to-nix.com/concepts/flakes
+[gui]: https://install.determinate.systems/determinate-pkg/stable/Universal
+[installer]: https://github.com/DeterminateSystems/nix-installer
+[language]: https://zero-to-nix.com/concepts/nix-language
+[license]: ./COPYING
+[manual]: https://manual.determinate.systems
+[nixpkgs]: https://github.com/NixOS/nixpkgs
+[nixos]: https://github.com/NixOS/nixpkgs/tree/master/nixos
+[nixos-install]: https://docs.determinate.systems/guides/advanced-installation#nixos
+[packages]: https://zero-to-nix.com/concepts/packages
+[package-management]: https://zero-to-nix.com/concepts/package-management
+[private-flakes]: https://docs.determinate.systems/flakehub/private-flakes
+[semver]: https://docs.determinate.systems/flakehub/concepts/semver
+[thesis]: https://edolstra.github.io/pubs/phd-thesis.pdf
+[upstream]: https://github.com/NixOS/nix
+[website]: https://nixos.org
+[z2n]: https://zero-to-nix.com